Abstract: <SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">Working principle of all-vanadium redox flow battery (VRB) was briefly introduced.Composition,electrolyte preparation methods,classification,and market prospect were also concisely presented.Overseas commercialization situation of VRB was enumerated,and a brief analysis on the development process and current research status of VRB in China was made.Wind power, solar energy,and other renewable resources are abundant in China and China now has an active demand in environment-friendly and high-capacity storage battery.Therefore,VRB has a bright prospect in China in the next few years,which will greatly promote vanadium resources development in China.</SPAN>